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CYTT21401-44LQI28 Datasheet(PDF) 1 Page - Cypress Semiconductor |
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CYTT21401-44LQI28 Datasheet(HTML) 1 Page - Cypress Semiconductor |
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1 / 3 page  SUMMARY CYTT21XXX (28, 33, 35, 36 I/Os) TrueTouch® Multi-Touch All-Points Touchscreen Controller Datasheet Cypress Semiconductor Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-96564 Rev. *A Revised February 17, 2016 Features ■Multi-touch capacitive touchscreen controller ❐ 32-bit ARM® Cortex™ CPU ❐ Register-configurable ❐ Noise-suppression technologies for battery charger and display • Effective 24-V drive for higher signal-to-noise ratio (SNR) • ChargerArmor™ for charger noise immunity • External display synchronization ❐ Water rejection and wet-finger tracking using DualSense™ ❐ Multi-touch glove with automatic mode switching • Ten fingers with thin glove (≤1-mm thick) • Two fingers with thick glove (≤5-mm thick) ❐ Fingernail tracking ❐ Grip suppression ❐ Large object rejection ❐ Automatic baseline tracking to environmental changes ❐ Low-power look-for-touch mode ❐ Field upgrades via bootloader ❐ Android™ driver support ❐ Cypress Manufacturing Test Kit (MTK) ❐ Touchscreen sensor self-test and Panel ID reporting ■System performance (configuration dependent) ❐ Screen sizes up to 5.0-inch diagonal • 4.8-mm sensor pitch; 16:9 aspect ratio ❐ Up to 36 sense pins • 308 intersections (22 × 14) ❐ Reports up to ten fingers ❐ Small finger support down to 4 mm ❐ Large finger support up to 30 mm ❐ Refresh rate up to 300 Hz; other rates configurable ❐ TX frequency up to 500 kHz ❐ Best-in-class charger noise immunity • Immunity up to 35-V peak-to-peak (VPP) • Immunity to AT&T® Zero charger ■ Power (configuration-dependent) ❐ 1.71- to 1.95-V or 2.0- to 5.5-V digital and I/O supply ❐ 2.65- to 4.7-V analog supply ❐ 4-mW average power ❐ 5.7-μW typical deep-sleep power ■ Sensor and system design (configuration-dependent) ❐ Supports a variety of touchscreen sensors and stackups • Manhattan, diamond, Single-Layer Independent Multi-touch (SLIM®), and Totem-pole patterns • Sensor-on-Lens (SOL) • Plastic (PET) and glass-sensor substrates • LCD, AMOLED, and IPS displays • Metal mesh ❐ Single-layer flexible printed circuit (FPC) routing enabled by flexible TX/RX configurations ■ Communication interface ❐ I2C slave at 100 and 400 kbps ❐ SPI slave bit rates up to 8 Mbps[1] ■ Package options ❐ 44-pin 5 × 5 × 0.6-mm QFN (0.35-mm lead pitch) ❐ 48-pin 6 × 6 × 0.6-mm QFN (0.4-mm lead pitch) Note 1. SPI support is only available in 48-pin QFN package. |
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